Need proof? Consult this recent warning that you can catch a bacterial infection from kissing frogs.
Some more helpful hints along those lines:
In your attempts to be a Disney princess, it's not wise to try to fly via your bathroom rug.
I'd also advise against crushing on a guy who's described as a beast in any context.
And publicly confiding in a hermit crab? Probably not the best move, either.
Not like I'm speaking from personal experience or anything.